GREAT PLAINS ENERGY INC

CUSIP: 391164100 Class: COM

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

Note: Option positions (PUT/CALL) are excluded.

Q2 2017
Shares 10,026 Value ($000) $294 Avg Close — Range —
Q1 2017
Shares 10,026 Value ($000) $293 Avg Close — Range —
Q4 2016
Shares 10,026 Value ($000) $274 Avg Close — Range —
Q3 2016
Shares 10,026 Value ($000) $274 Avg Close — Range —
Q2 2016
Shares 10,026 Value ($000) $305 Avg Close — Range —